Ankle guard



FIG. 1 is a perspective view of an ankle guard showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof the opposite side being a mere image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an ankle guard, as shown. 